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Subject[084/146] staging: r8712u: Fix driver to support ad-hoc mode
2.6.38-stable review patch.  If anyone has any objections, please let us know.


From: Jeff Chua <>

commit 62819fd9481021db7f87d5f61f2e2fd2be1dfcfa upstream.

Driver r8712u is unable to handle ad-hoc mode. The issue is that when
the driver first starts, there will not be an SSID for association.
The fix is to always call the "select and join from scan" routine when
in ad-hoc mode.

Note: Ad-hoc mode worked intermittently before. If the driver had
previously been associated, then things were OK.

Signed-off-by: Jeff Chua <>
Signed-off-by: Larry Finger <>
Signed-off-by: Greg Kroah-Hartman <>

drivers/staging/rtl8712/rtl871x_ioctl_set.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/staging/rtl8712/rtl871x_ioctl_set.c
+++ b/drivers/staging/rtl8712/rtl871x_ioctl_set.c
@@ -68,7 +68,10 @@ static u8 do_join(struct _adapter *padap
pmlmepriv->fw_state |= _FW_UNDER_LINKING;
pmlmepriv->pscanned = plist;
pmlmepriv->to_join = true;
- if (_queue_empty(queue) == true) {
+ /* adhoc mode will start with an empty queue, but skip checking */
+ if (!check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) &&
+ _queue_empty(queue)) {
if (pmlmepriv->fw_state & _FW_UNDER_LINKING)
pmlmepriv->fw_state ^= _FW_UNDER_LINKING;
/* when set_ssid/set_bssid for do_join(), but scanning queue

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